Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 336 insertions, 0 deletions

diff --git a/framework/source/jobs/helponstartup.cxx b/framework/source/jobs/helponstartup.cxx
new file mode 100644
index 000000000..2795a3f45
--- /dev/null
+++ b/framework/source/jobs/helponstartup.cxx
@@ -0,0 +1,336 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+// include own header
+#include <jobs/helponstartup.hxx>
+#include <services.h>
+#include <targets.h>
+
+#include <officecfg/Office/Common.hxx>
+#include <officecfg/Setup.hxx>
+
+// include others
+#include <comphelper/sequenceashashmap.hxx>
+#include <utility>
+#include <vcl/svapp.hxx>
+#include <vcl/help.hxx>
+
+// include interfaces
+#include <com/sun/star/frame/FrameSearchFlag.hpp>
+#include <com/sun/star/frame/ModuleManager.hpp>
+#include <com/sun/star/frame/XFramesSupplier.hpp>
+#include <com/sun/star/frame/Desktop.hpp>
+#include <cppuhelper/supportsservice.hxx>
+
+namespace framework{
+
+// XInterface, XTypeProvider, XServiceInfo
+
+OUString SAL_CALL HelpOnStartup::getImplementationName()
+{
+    return "com.sun.star.comp.framework.HelpOnStartup";
+}
+
+sal_Bool SAL_CALL HelpOnStartup::supportsService( const OUString& sServiceName )
+{
+    return cppu::supportsService(this, sServiceName);
+}
+
+css::uno::Sequence< OUString > SAL_CALL HelpOnStartup::getSupportedServiceNames()
+{
+    return { SERVICENAME_JOB };
+}
+
+HelpOnStartup::HelpOnStartup(css::uno::Reference< css::uno::XComponentContext > xContext)
+    : m_xContext    (std::move(xContext))
+{
+    // create some needed uno services and cache it
+    m_xModuleManager = css::frame::ModuleManager::create( m_xContext );
+
+    m_xDesktop = css::frame::Desktop::create(m_xContext);
+
+    // ask for office locale
+    m_sLocale = officecfg::Setup::L10N::ooLocale::get();
+
+    // detect system
+    m_sSystem = officecfg::Office::Common::Help::System::get();
+
+    // Start listening for disposing events of these services,
+    // so we can react e.g. for an office shutdown
+    css::uno::Reference< css::lang::XComponent > xComponent;
+    xComponent.set(m_xModuleManager, css::uno::UNO_QUERY);
+    if (xComponent.is())
+        xComponent->addEventListener(static_cast< css::lang::XEventListener* >(this));
+    if (m_xDesktop.is())
+        m_xDesktop->addEventListener(static_cast< css::lang::XEventListener* >(this));
+    xComponent.set(m_xConfig, css::uno::UNO_QUERY);
+    if (xComponent.is())
+        xComponent->addEventListener(static_cast< css::lang::XEventListener* >(this));
+}
+
+HelpOnStartup::~HelpOnStartup()
+{
+}
+
+// css.task.XJob
+css::uno::Any SAL_CALL HelpOnStartup::execute(const css::uno::Sequence< css::beans::NamedValue >& lArguments)
+{
+    // Analyze the given arguments; try to locate a model there and
+    // classify it's used application module.
+    OUString sModule = its_getModuleIdFromEnv(lArguments);
+
+    // Attention: we are bound to events for opening any document inside the office.
+    // That includes e.g. the help module itself. But we have to do nothing then!
+    if (sModule.isEmpty())
+        return css::uno::Any();
+
+    // check current state of the help module
+    // a) help isn't open                       => show default page for the detected module
+    // b) help shows any other default page(!) => show default page for the detected module
+    // c) help shows any other content         => do nothing (user travelled to any other content and leaved the set of default pages)
+    OUString sCurrentHelpURL                = its_getCurrentHelpURL();
+    bool        bCurrentHelpURLIsAnyDefaultURL = its_isHelpUrlADefaultOne(sCurrentHelpURL);
+    bool        bShowIt                        = false;
+
+    // a)
+    if (sCurrentHelpURL.isEmpty())
+        bShowIt = true;
+    // b)
+    else if (bCurrentHelpURLIsAnyDefaultURL)
+        bShowIt = true;
+
+    if (bShowIt)
+    {
+        // retrieve the help URL for the detected application module
+        OUString sModuleDependentHelpURL = its_checkIfHelpEnabledAndGetURL(sModule);
+        if (!sModuleDependentHelpURL.isEmpty())
+        {
+            // Show this help page.
+            // Note: The help window brings itself to front ...
+            Help* pHelp = Application::GetHelp();
+            if (pHelp)
+                pHelp->Start(sModuleDependentHelpURL);
+        }
+    }
+
+    return css::uno::Any();
+}
+
+void SAL_CALL HelpOnStartup::disposing(const css::lang::EventObject& aEvent)
+{
+    std::unique_lock g(m_mutex);
+    if (aEvent.Source == m_xModuleManager)
+        m_xModuleManager.clear();
+    else if (aEvent.Source == m_xDesktop)
+        m_xDesktop.clear();
+    else if (aEvent.Source == m_xConfig)
+        m_xConfig.clear();
+}
+
+OUString HelpOnStartup::its_getModuleIdFromEnv(const css::uno::Sequence< css::beans::NamedValue >& lArguments)
+{
+    ::comphelper::SequenceAsHashMap lArgs        (lArguments);
+    ::comphelper::SequenceAsHashMap lEnvironment = lArgs.getUnpackedValueOrDefault("Environment", css::uno::Sequence< css::beans::NamedValue >());
+
+    // check for right environment.
+    // If it's not a DocumentEvent, which triggered this job,
+    // we can't work correctly! => return immediately and do nothing
+    OUString sEnvType = lEnvironment.getUnpackedValueOrDefault("EnvType", OUString());
+    if (sEnvType != "DOCUMENTEVENT")
+        return OUString();
+
+    css::uno::Reference< css::frame::XModel > xDoc = lEnvironment.getUnpackedValueOrDefault("Model", css::uno::Reference< css::frame::XModel >());
+    if (!xDoc.is())
+        return OUString();
+
+    // be sure that we work on top level documents only, which are registered
+    // on the desktop instance. Ignore e.g. life previews, which are top frames too ...
+    // but not registered at this global desktop instance.
+    css::uno::Reference< css::frame::XDesktop >    xDesktopCheck;
+    css::uno::Reference< css::frame::XFrame >      xFrame;
+    css::uno::Reference< css::frame::XController > xController  = xDoc->getCurrentController();
+    if (xController.is())
+        xFrame = xController->getFrame();
+    if (xFrame.is() && xFrame->isTop())
+        xDesktopCheck.set(xFrame->getCreator(), css::uno::UNO_QUERY);
+    if (!xDesktopCheck.is())
+        return OUString();
+
+    // OK - now we are sure this document is a top level document.
+    // Classify it.
+    // SAFE ->
+    std::unique_lock aLock(m_mutex);
+    css::uno::Reference< css::frame::XModuleManager2 > xModuleManager = m_xModuleManager;
+    aLock.unlock();
+    // <- SAFE
+
+    OUString sModuleId;
+    try
+    {
+        sModuleId = xModuleManager->identify(xDoc);
+    }
+    catch(const css::uno::RuntimeException&)
+        { throw; }
+    catch(const css::uno::Exception&)
+        { sModuleId.clear(); }
+
+    return sModuleId;
+}
+
+OUString HelpOnStartup::its_getCurrentHelpURL()
+{
+    // SAFE ->
+    std::unique_lock aLock(m_mutex);
+    css::uno::Reference< css::frame::XDesktop2 > xDesktop = m_xDesktop;
+    aLock.unlock();
+    // <- SAFE
+
+    if (!xDesktop.is())
+        return OUString();
+
+    css::uno::Reference< css::frame::XFrame > xHelp = xDesktop->findFrame(SPECIALTARGET_HELPTASK, css::frame::FrameSearchFlag::CHILDREN);
+    if (!xHelp.is())
+        return OUString();
+
+    OUString sCurrentHelpURL;
+    try
+    {
+        css::uno::Reference< css::frame::XFramesSupplier >  xHelpRoot  (xHelp                 , css::uno::UNO_QUERY_THROW);
+        css::uno::Reference< css::container::XIndexAccess > xHelpChildren(xHelpRoot->getFrames(), css::uno::UNO_QUERY_THROW);
+
+        css::uno::Reference< css::frame::XFrame >      xHelpChild;
+        css::uno::Reference< css::frame::XController > xHelpView;
+        css::uno::Reference< css::frame::XModel >      xHelpContent;
+
+        xHelpChildren->getByIndex(0) >>= xHelpChild;
+        if (xHelpChild.is())
+            xHelpView = xHelpChild->getController();
+        if (xHelpView.is())
+            xHelpContent = xHelpView->getModel();
+        if (xHelpContent.is())
+            sCurrentHelpURL = xHelpContent->getURL();
+    }
+    catch(const css::uno::RuntimeException&)
+        { throw; }
+    catch(const css::uno::Exception&)
+        { sCurrentHelpURL.clear(); }
+
+    return sCurrentHelpURL;
+}
+
+bool HelpOnStartup::its_isHelpUrlADefaultOne(std::u16string_view sHelpURL)
+{
+    if (sHelpURL.empty())
+        return false;
+
+    // SAFE ->
+    std::unique_lock aLock(m_mutex);
+    css::uno::Reference< css::container::XNameAccess >     xConfig = m_xConfig;
+    OUString                                        sLocale = m_sLocale;
+    OUString                                        sSystem = m_sSystem;
+    aLock.unlock();
+    // <- SAFE
+
+    if (!xConfig.is())
+        return false;
+
+    // check given help url against all default ones
+    const css::uno::Sequence< OUString > lModules = xConfig->getElementNames();
+    const OUString*                      pModules = lModules.getConstArray();
+    ::sal_Int32                          c        = lModules.getLength();
+    ::sal_Int32                          i        = 0;
+
+    for (i=0; i<c; ++i)
+    {
+        try
+        {
+            css::uno::Reference< css::container::XNameAccess > xModuleConfig;
+            xConfig->getByName(pModules[i]) >>= xModuleConfig;
+            if (!xModuleConfig.is())
+                continue;
+
+            OUString sHelpBaseURL;
+            xModuleConfig->getByName("ooSetupFactoryHelpBaseURL") >>= sHelpBaseURL;
+            OUString sHelpURLForModule = HelpOnStartup::ist_createHelpURL(sHelpBaseURL, sLocale, sSystem);
+            if (sHelpURL == sHelpURLForModule)
+                return true;
+        }
+        catch(const css::uno::RuntimeException&)
+            { throw; }
+        catch(const css::uno::Exception&)
+            {}
+    }
+
+    return false;
+}
+
+OUString HelpOnStartup::its_checkIfHelpEnabledAndGetURL(const OUString& sModule)
+{
+    // SAFE ->
+    std::unique_lock aLock(m_mutex);
+    css::uno::Reference< css::container::XNameAccess > xConfig = m_xConfig;
+    OUString                                    sLocale = m_sLocale;
+    OUString                                    sSystem = m_sSystem;
+    aLock.unlock();
+    // <- SAFE
+
+    OUString sHelpURL;
+
+    try
+    {
+        css::uno::Reference< css::container::XNameAccess > xModuleConfig;
+        if (xConfig.is())
+            xConfig->getByName(sModule) >>= xModuleConfig;
+
+        bool bHelpEnabled = false;
+        if (xModuleConfig.is())
+            xModuleConfig->getByName("ooSetupFactoryHelpOnOpen") >>= bHelpEnabled;
+
+        if (bHelpEnabled)
+        {
+            OUString sHelpBaseURL;
+            xModuleConfig->getByName("ooSetupFactoryHelpBaseURL") >>= sHelpBaseURL;
+            sHelpURL = HelpOnStartup::ist_createHelpURL(sHelpBaseURL, sLocale, sSystem);
+        }
+    }
+    catch(const css::uno::RuntimeException&)
+        { throw; }
+    catch(const css::uno::Exception&)
+        { sHelpURL.clear(); }
+
+    return sHelpURL;
+}
+
+OUString HelpOnStartup::ist_createHelpURL(std::u16string_view sBaseURL,
+                                                 std::u16string_view sLocale ,
+                                                 std::u16string_view sSystem )
+{
+    return OUString::Concat(sBaseURL) + "?Language=" + sLocale + "&System=" + sSystem;
+}
+
+} // namespace framework
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+framework_HelpOnStartup_get_implementation(
+    css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const& )
+{
+    return cppu::acquire(new framework::HelpOnStartup(context));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */